The Miami Herald reports Miami Dolphins DE Rob Burnett said his right knee is feeling better after having surgery on it in December. Burnett could return next year, but said he's "60 percent" sure he will retire.

Updating previous reports, Miami Dolphins DE Rob Burnett (knee/ankle) aggravated his knee injury on Thursday, Dec. 11. He will be forced to have his knee operated on and will be placed on injured reserve.

Miami Dolphins DE Rob Burnett (knee, ankle) is listed as doubtful for the Sunday, Dec. 7, game against the New England Patriots with left knee and ankle injuries. Burnett did not practice Wednesday, Dec. 3, or Thursday, Dec. 4.